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Volume coefficient of expansion of air varies with temperature...
At STP( ie 1 bar,0 °C) it is about 3.7e-3/°C (.0037/°C)
At 100°C it is about .002/°C
Try checking the exact values in Clark's tables, log/scientific book.
Wiki User
∙ 16y ago
Wiki User
∙ 11y agoApproximately 3 times the linear rate of expansion
Wiki User
∙ 13y agoA constant of expansion of a substance in a setting of constant pressure, colud likely be looked up in a table for a range of substances.
Wiki User
∙ 10y ago7/2222
Wiki User
∙ 11y ago.000214
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Water expands as it freezes can you define a coefficient of volume expansion for the freezing force?
The coefficient of the thermal expansion of water is equal to .00021. Water expands by 9% of its volume when it freezes.
A material has a coefficient of volume expansion of 60×10^-6/degree celsius. What is its coefficient of expansion?
120×10^-6
Why liquids have two coefficient of expansion?
Because liquids have two types of expansions i.e Apparent Expansion and Real Expansion
Why the coefficient of volume expansion of the water different with coefficient of volume expansion of the ethanol?
Since there is extensive hydrogen bonding in case of water (two -OH per molecule) unlike ethanol (which has one -OH per molecule) so the intermolecular force difference is there between water and ethanol. Thus the coefficient of volumetric expansion will also be different, 'coz intermolecular force is a direct variable effecting this coefficient......
What is coefficient of superficial expansion?
The coefficient of superficial expansion refers to the ratio of change in area to an increase in its temperature. It measures the expansion of a Laminar surface.
Water expands as it freezes can you define a coefficient of volume expansion for the freezing force?
The coefficient of the thermal expansion of water is equal to .00021. Water expands by 9% of its volume when it freezes.
A material has a coefficient of volume expansion of 60×10^-6/degree celsius. What is its coefficient of expansion?
120×10^-6
Explain formula volume expansion coefficient subject expansion of solid?
Formula for the volume Expansion for a solid is αV=1VdVdT and Isotropic materials is αV=3αL.
Why liquids have two coefficient of expansion?
Because liquids have two types of expansions i.e Apparent Expansion and Real Expansion
What is the formula for calculating volume change due to heat?
That depends on the exact details. For a gas, the ideal gas law is usually a good approximation: other things being equal, the volume is directly proportional to the absolute temperature (that is, the temperature expressed in kelvin). For a liquid or gas, the expansion is much less than in a gas. You can look up the coefficient of expansion for a specific substance, and then use the definition of the coefficient; that is, the volume change is equal to (volume) times (temperature difference) x (coefficient of volume expansion).
Why the coefficient of volume expansion of the water different with coefficient of volume expansion of the ethanol?
Since there is extensive hydrogen bonding in case of water (two -OH per molecule) unlike ethanol (which has one -OH per molecule) so the intermolecular force difference is there between water and ethanol. Thus the coefficient of volumetric expansion will also be different, 'coz intermolecular force is a direct variable effecting this coefficient......
An ordinary glass is filled to the brim with 350 mL of water at 100 C If the temperature decreased to 20C how much water could be added to the glass?
Difference in volume = (initial volume) (coefficient of volume expansion of water) (difference in temperature) coefficient of volume expansion of water=0.0002ml/degree celsius (not sure about the value. Better get help from a teacher.)
Do all solids expand on heating?
Yes, they do. The phenomenon is called thermal expansion. Every substance has a "coefficient of expansion" figured out via experiment. The coefficient is used in the following way. change in length = original length * change in Temperature (K) * coefficient of linear expansion change in volume = original volume * change in Temperature (K) * coefficient of volume expansion The coefficient of volume expansion is three times the coefficient of linear expansion. The unit for the coefficient is "per degree" (this makes more sense when you use it in an equation)
What is the temperature if the gas pressure is constant?
At isobaric (pressure) expansion (volume increase) the temperature will increase because V is proportional to T for the same amount of gas (closed container) at constant pressure.
What is the cubical coefficient of thermal expansion for metals?
Since most metals are isotropic, the cubical coefficient of expansion is three times the linear coefficient of expansion. The linear coefficient of expansion is obtained from measurement and tables for the specific material which are readily available.
What is coefficient of superficial expansion?
The coefficient of superficial expansion refers to the ratio of change in area to an increase in its temperature. It measures the expansion of a Laminar surface.
How do you calculate coefficient of linear expansion of copper?
dL/dT = αL*L, where L is the length of the steel, T is temperature, and αL is the linear thermal expansion coefficient which for steel is about 11.0 to 13.0. That is possibly the easiest differential equation in history: (1/L)dL = (αL)dT ln(L) = αLT L = eαLT
